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Finding the Fourth Proportional to 661,767.25, 992,249.98 and 296,961.95

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Solution

The fourth proportional to 661,767.25, 992,249.98 and 296,961.95 is: 445,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,767.25 : 992,249.98 = 296,961.95 : x
  2. Step 2: Convert to fraction form
    661,767.25/992,249.98 = 296,961.95/x
  3. Step 3: Cross multiply
    661,767.25x = 992,249.98 × 296,961.95
  4. Step 4: Simplify right side
    661,767.25x = 294,660,488,948.26
  5. Step 5: Solve for x
    x = 294,660,488,948.26/661,767.25
  6. Step 6: Final answer
    x = 445,263.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.